ECVT · Insider trading · 13F holders · Congress trades
Ecovyst Inc. (ECVT)
Who is buying and selling ECVT: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 13
- Insider buys, 90 days
- $250K
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
ECVT at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 ECVT insider filed 1 open-market purchase worth $250K on SEC Form 4.
- 13 13F filers hold ECVT among their 50 largest positions, worth $228.4M combined. The biggest bets by portfolio weight are Brightline Capital Management, LLC (8.1%), First Wilshire Securities Management Inc (5.6%) and Tiptree Advisors, LLC (3.1%). In their latest 13Fs, 3 managers opened a new position and 2 added to one.
- No member of Congress has disclosed a trade in ECVT.
- ECVT last closed at $10.24 on Oct 29, 2026.
ECVT insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 ECVT insider filed 1 open-market purchase worth $250K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Humble Patti A. | Director | Buy | 24,875 | $10.05 | $250K | SEC |
Who owns ECVT? Hedge funds and superinvestors
13 13F filers hold ECVT among their 50 largest positions, worth $228.4M combined. The biggest bets by portfolio weight are Brightline Capital Management, LLC (8.1%), First Wilshire Securities Management Inc (5.6%) and Tiptree Advisors, LLC (3.1%). In their latest 13Fs, 3 managers opened a new position and 2 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Rubric Capital Management LPHedge fund | 0.9% | $102.2M | 8,211,888 | -10.1% shares | Q2 2026 |
| Brightline Capital Management, LLCHedge fund | 8.1% | $37.5M | 3,012,000 | +7.6% shares | Q2 2026 |
| First Wilshire Securities Management IncWealth manager | 5.6% | $27.0M | 2,171,238 | -1.2% shares | Q2 2026 |
| AltraVue Capital, LLCHedge fund | 1.8% | $25.0M | 2,008,430 | New | Q2 2026 |
| Ballast Asset Management, LPMutual fund manager | 2.7% | $6.8M | 549,113 | -1.0% shares | Q2 2026 |
| Apis Capital Advisors, LLCHedge fund | 0.7% | $6.7M | 540,000 | — | Q2 2026 |
| Legato Capital Management LLCInstitutional asset manager | 0.5% | $5.9M | 470,171 | — | Q2 2026 |
| Kestrel Investment Management CorpInstitutional asset manager | 2.7% | $5.0M | 405,400 | +0.0% shares | Q2 2026 |
| Tiptree Advisors, LLCInstitutional asset manager | 3.1% | $5.0M | 400,000 | +23.1% shares | Q2 2026 |
| Simcoe Capital LLCInstitutional asset manager | 1.8% | $3.0M | 239,128 | New | Q2 2026 |
| Owls Nest Partners IA, LLCHedge fund | 0.8% | $2.4M | 191,931 | -86.0% shares | Q2 2026 |
| VARCOV Co.Hedge fund | 0.6% | $1.6M | 125,347 | -55.0% shares | Q2 2026 |
| Brooklands Fund Management LtdHedge fund | 0.0% | $246K | 25,000 | New | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 12). Screen ECVT in the grand portfolio →
ECVT stock trades by members of Congress
No member of Congress has disclosed a trade in ECVT.
ECVT questions and answers
Are insiders buying ECVT stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 ECVT insider filed 1 open-market purchase worth $250K on SEC Form 4.
Which hedge funds own ECVT?
13 13F filers hold ECVT among their 50 largest positions, worth $228.4M combined. The biggest bets by portfolio weight are Brightline Capital Management, LLC (8.1%), First Wilshire Securities Management Inc (5.6%) and Tiptree Advisors, LLC (3.1%). In their latest 13Fs, 3 managers opened a new position and 2 added to one.
Has Congress traded ECVT?
No member of Congress has disclosed a trade in ECVT.
Who is the largest holder of ECVT?
Among 13F filers, Rubric Capital Management LP reports the largest ECVT position, $102.2M (8,211,888 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Brightline Capital Management, LLC's: 8.1% of its portfolio.
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